F16K 15/1845
For check valves with flexible valve members
Official title: {for check valves with flexible valve members}
F16K15/1845 (For check valves with flexible valve members) appears on 20 US grants and 19 published applications in this corpus.
Search patents in F16K- Granted patents
- 20
- Published applications
- 19
- Assignees
- 15
- Inventors
- 24
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 3 | 2 |
| 2021 | 3 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve apparatus and vacuum handling apparatus having a valve apparatus15 Jul 2025US 12,358,103 B2J. Schmalz GmbH
- Water valve assembly6 May 2025US 12,291,855 B2Goodrich Corporation
- Bag side connector for a bib package12 Dec 2023US 11,840,389 B2Lb Europe Limited
- Sleeping pad with fast-inflation and deflation air nozzle25 Jul 2023US 11,707,139 B2Huaao (Quzhou) Outdoor Products Co., Ltd.
- Serviceable valve carousel system27 Dec 2022US 11,536,387 B2Cnb Marine Solutions LLC
- Valve apparatus and vacuum handling apparatus having a valve apparatus18 Jul 2024US 2024/0238945 A1J. Schmalz GmbH
- Water valve assembly29 Dec 2022US 2022/0412061 A1Goodrich Corporation
- Sleeping pad with fast-inflation and deflation air nozzle7 Apr 2022US 2022/0104632 A1Huaao (Quzhou) Outdoor Products Co., Ltd.
- Fluid Unidirectional Flow Structure, Check Assembly, and Respiratory Device31 Mar 2022US 2022/0099202 A1Kunshan Yuanshan Tiandi Software Technology Co., Ltd.
- Bag side connector for a bib package24 Feb 2022US 2022/0055816 A1Corplex Plastics UK Ltd.
Most cited
By later US patents
- Fluid control valve and a feedback control system therefor23US 6,766,824 B2Koninklijke Philips Electronics N. V. · 2004
- Suction cup19US 10,753,384 B1Ten Sheng Assorted Houseware Co., Ltd. · 2020
- Reed valve18US 4,089,348 AToyota Jidosha Kogyo Kabushiki Kaisha · 1978
- System for controlling liquid flow12US 4,589,441 A1986
- Active reed valve11US 5,103,867 AGeneral Motors Corporation · 1992